This tool allows you to build tessellations and other designs by attaching the corners of various shapes to one another. To make a tessellation, you need to create an arrangement of repeating shapes which leaves no spaces or overlaps between its pieces.

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.